docs: def get_capacity(self, tablename, index_name=None):
          """ Get the consumed read/write capacity """
          # If we're connected to a DynamoDB Local instance, don't connect to the
          # actual cloudwatch endpoint
          if self.connection.region == "local":
              return 0, 0
          # Gracefully fail if we get exceptions from CloudWatch
          try:
              return (
                  self._get_metric("ConsumedReadCapacityUnits", tablename, index_name),
                  self._get_metric("ConsumedWriteCapacityUnits", tablename, index_name),
              )
          except ClientError:
              return 0, 0